Bully Dog 51203 Rapid Flow Air Intake System Keeping hot air out of the intake stream, modern engines are much more specifically engineered than the coal burners of yesterday, Bully Dog's rapid flow air intakes have been precision designed and tested for optimal cold air flow and decreased air turbulence Designed to pull air from cold air sources from within the engine bay, increased cold air is then fed to the engine, which in turn increases power Accommodating a high flow cotton gauze air filter, Bully Dog also offers these top of the line air filters Improving the look of the engine bay with slick-looking style, intakes are designed to give your engine bay a nice, sleek, custom finish Clean install, quick and easy install achieved by snap on parts and easily assembled fittings makes the installation process simple